End cap for a motorhome waste line



FIG. 1 is a front elevational view of an end cap for a motorhome waste line showing my new design;

FIG. 2 is a right side elevational view thereof, the left side being a mirror image of the right side;

FIG. 3 is a rear elevational view thereof; and,

FIG. 4 is a top plan view thereof, the bottom being a mirror image of the top. 

The ornamental design for an end cap for a motorhome waste line, as shown and described. 